<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Sep 17, 2012, at 11:48 AM, Narayan Desai wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Is there a canonical place that describes the errors reflected in<br>ibdiagnet output, and potential resolutions?</div></blockquote><div><br></div>IBTA Volume 1 is your friend.</div><div><a href="http://www.infinibandta.org">http://www.infinibandta.org</a></div><div><br><blockquote type="cite"><div> I'm trying to fix up a<br>qdr fabric, and am seeing a combination of:<br> - symbol errors (these are pretty clear; i'm assuming that cable<br>replacement is the solution in a lot of these cases)<br> - ipoib speed errors (the group is at 10 gbit, but the network is<br>capable of 40; is this a cosmetic error, or will it cause actual<br>performance problems?)<br></div></blockquote><div><br></div>These will slow your performance.</div><div>Reseating cables, and/or replacing cables/HCAs usually fixes this.</div><div><br><blockquote type="cite"><div> - pages of multicast errors (not really sure what to do here)<br> - nagging issues with arping (which i suspect might have to do with<br>the previous multicast errors)<br><br>Various vendor docs describe how to run ibdiagnet, but don't do any<br>more than reproduce some output. I'm happy to RTFM, but a fair big of<br>googling has not revealed with FM to R. ;)<br> -nld<br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@lists.openfabrics.org">Users@lists.openfabrics.org</a><br>http://lists.openfabrics.org/cgi-bin/mailman/listinfo/users<br></div></blockquote></div><br><div>
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>====================================</div><div><br></div><div>Susan Coulter<br>HPC-3 Network/Infrastructure<br>505-667-8425<br>Increase the Peace...<br>An eye for an eye leaves the whole world blind<br>====================================</div></div></span></div>
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